One Day, While Straying Dangerously Close to a Black Hole

question 34

Multiple Choice

One day, while straying dangerously close to a black hole, an astronaut notices that no matter how hard he tries to remain at rest, he is inevitably drawn into the black hole unless he keeps moving. What does this tell an observer about the black hole?

• A) The black hole is evaporating.
• B) The black hole is supermassive.
• C) The black hole is electrically charged.
• D) The black hole is rotating.

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Definitions:

Response Times

The duration between the initiation of a query, command, or stimulus and the system's or person's reaction or reply.

Nonparametric Procedure

A nonparametric procedure refers to a type of statistical analysis that does not rely on data belonging to any particular distribution, suitable for ordinal data or when the data's distribution is unknown.

Kruskal-Wallis Test

An analytical method not predicated on parameters for assessing statistically significant disparities among two or more groups related to an independent variable in relation to a dependent variable that is either continuous or ordinal.

Kruskal-Wallis Test

A nonparametric method for testing whether samples originate from the same distribution, used for comparing more than two samples that are independent.